Welch™ DuoSeal™ High-Vacuum Pumps
Rugged, durable pumps are ideal for demanding applications such as Schlenk drying lines, freeze drying, vacuum distillations, concentrating and degassing
Manufacturer: Welch™ 1399B01
The ruggedness is a result of reduced frictional wear (less than 580rpm vs. typical 1750rpm direct-drive pumps) and high contamination tolerance (contaminants diluted due to large oil capacity).
- Dual-voltage models come wired for lowest voltage listed in specifications chart; may be converted to higher voltage listed by rewiring
- Wiring diagram supplied with each model
- All models are single phase
1International Model for 115/230V 50Hz available on special order.
|2 Pa (1.5 x 10-2 torr)|
|High Vacuum Pump, One-Stage|
|1.5 x 10-2 torr|
|V-belts, pulleys, belt guard, Oil supply, 3-wire cord, N. American 115V plug, inline switch and instructions|
|115 V 60 Hz|
|Concentrating and Degassing, Freeze Drying, Schlenk Drying Lines, Schlenk drying lines, freeze drying, vacuum distillations, concentrating and degassing, Vacuum Distillations|
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